After several missions in the field of Optronics, Philippe joined Sfim Industries in 1996. He became Head of R&D department and notably contributed to the merge of Optronics activities with Sagem.

In 2007, Philippe became Program Director and led the development, serial production and deployment of Optronic systems. In 2012, he became Technical Director of the Optronics and Defense Division and led the development of new product lines and their sub-assemblies.

Since 2016, Philippe has been the General Manager of Safran Reosc where he participates in the management of contracts for polishing the mirrors of the Extremely Large Telescope as well as in the development of the Space business.